across the country pre learn more at the c-span video library. search, clip, watch, and share. it is what you want, when you want. >> this weekend on american history tv on c-span3, the national portrait gallery celebrates ronald reagan's 100 per day through their exhibit. dennis stanford university professor on the great migration when many african americans moved out of the south. and then in charleston, south carolina, we look at that city's history. including the role of the city in the revolution. get the complete schedule at c- span.org/history. >> you are watching c-span, bringing you politics and public affairs. every morning it is "washington journal," our live call-in program about the news of the day, connecting you with elected officials, policymakers, and journalists. weekdays, watch live coverage of the u.s. house, and on weeknights, congressional hearings and policy forums.